added information about the --use-gc switch
added information about the --use-gc switch

jcharum/pycurl,m13253/pycurl-python3,jcharum/pycurl,ninemoreminutes/pycurl,m13253/pycurl-python3,jcharum/pycurl,ninemoreminutes/pycurl,ninemoreminutes/pycurl,ninemoreminutes/pycurl,m13253/pycurl-python3